Global Patent Index - EP 0113972 B1

EP 0113972 B1 19880921 - A STEEL JOIST

Title (en)

A STEEL JOIST

Publication

EP 0113972 B1 19880921 (EN)

Application

EP 83307579 A 19831213

Priority

CA 419589 A 19830117

Abstract (en)

[origin: EP0113972A1] A steel joist for use in a composite steel and concrete construction consists of a web (17), a bottom chord (16) and a double top chord (18) construction consisting of two elongated substantially identical members (21) each of S or Z cross-section and being connected to or integral with the web (17). The members (21) are positioned in mirror relation tone another to provide symmetry about a vertical axis, and in use are embedded in a concrete slab, with the web (17) and bottom chord (16) not being embedded in the concrete.

IPC 1-7

E04C 3/09; E04C 3/07; E04B 5/29

IPC 8 full level

E04B 5/32 (2006.01); E04B 5/29 (2006.01); E04C 3/07 (2006.01); E04C 3/09 (2006.01); E04C 3/04 (2006.01)

CPC (source: EP KR)

E04B 5/18 (2013.01 - KR); E04B 5/29 (2013.01 - EP); E04C 3/07 (2013.01 - EP); E04C 3/09 (2013.01 - EP); E04C 2003/0413 (2013.01 - EP); E04C 2003/0434 (2013.01 - EP); E04C 2003/0452 (2013.01 - EP); E04C 2003/0486 (2013.01 - EP); E04C 2003/0491 (2013.01 - EP)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0113972 A1 19840725; EP 0113972 B1 19880921; AT E37413 T1 19881015; AU 2354484 A 19840719; AU 603051 B2 19901108; CA 1172463 A 19840814; DE 3378068 D1 19881027; HK 79093 A 19930813; JP H0561420 B2 19930906; JP S59134262 A 19840801; KR 840007451 A 19841207; KR 910008086 B1 19911007

DOCDB simple family (application)

EP 83307579 A 19831213; AT 83307579 T 19831213; AU 2354484 A 19840117; CA 419589 A 19830117; DE 3378068 T 19831213; HK 79093 A 19930805; JP 19443283 A 19831019; KR 840000087 A 19840111